1200℃ vacuum atmosphere rotary furnace: ±1℃ temperature control accuracy, 50-segment PID control, with K-type thermocouple for real-time monitoring (0-1320℃)

Dynamic Processing:
- Variable Tilt Angle (0-15°) for adjustable material residence time.
- Reverse Rotation Mode to prevent particle agglomeration.
Advanced Sealing:
- Magnetic Fluid Seals for vacuum integrity at high RPM.
- Double O-Ring + Water Cooling for gas-tight operation.
Modular Gas System:
- Multi-Gas Manifold with MFCs (0-500 sccm each).
- Gas Purge Cycles for atmosphere switching.

Category	1200°C
Model	GWL-1150SSR-ZQ
Chamber Dimensions	Ø300mm × 2500mm (L)
Tube Material	Quartz Glass Tube
Tube Dimensions	Ends: Ø120mm Center: Ø300mm
Volume	45-50L (material capacity)
Power Supply AC	380V, 60kW
Maximum Temperature	1200°C
Continuous Operating	1150°C
Control Range	80-1200°C
Thermocouple	Type K (0-1320°C)
Heating Element Position	Surrounding tube
Rotation Speed	1-15r/min adjustable
Tube Tilt Angle	1-25° adjustable
Vacuum Pump	1. Rotary vane pump (6.67×10<sup>-2</sup>Pa) 2. Mechanical + molecular pump
Vacuum Level (Optional)	1. 10-30Pa (mechanical) 2. 6.67×10<sup>-5</sup>Pa (mechanical+molecular)
Vacuum Gauge	Digital display
Flow Meter	Mass flow meter (N<sub>2</sub>, Ar, or H<sub>2</sub>)
Temperature Control Accuracy	±1°C (integrated circuit control, no overshoot)
Temperature Uniformity	±1°C (depends on chamber size, multi-zone control available for large chambers to achieve better uniformity)
Heating Rate	Adjustable from 1°C/h to 20°C/min
Heating Elements	Silicon carbide rods
Furnace Body	CNC-machined with polishing, grinding, acid washing, phosphating, powder coating and high-temperature baking. Dual-color anti-corrosion finish with mirror paint (export quality)
Furnace Structure	Double-layer air-cooled shell with optimized airflow baffles for conductive plate cooling and oxidation prevention
Chamber Access	Electric vertical lift door
Refractory Material	Vacuum-formed high-purity alumina composite with alumina hollow sphere boards at loading zones (excellent thermal shock resistance)
Insulation Materials	Three-layer insulation structure: Aluminum Silicate Fiberboard, Alumina Fiberboard, and Alumina (Polycrystalline) Fiberboard.
Furnace Shell Temperature	Remains below 45°C during continuous long-term operation.
Protection System	Integrated modular control unit with dual-loop control and protection mechanisms. Features include overshoot protection, over/under-regulation compensation, thermocouple break detection, phase loss protection, overvoltage/overcurrent/overtemperature safeguards, current feedback control, and soft-start function.
Control System	Closed-loop thyristor module with phase-shift trigger control. Supports continuous adjustment of output voltage, current, or power with constant voltage/current/power modes. Dual-loop regulation (inner current loop, outer voltage loop) ensures stable operation under sudden load changes or overload conditions, protecting heating elements from excessive electrical stress.
Display Parameters	Real-time display of temperature, temperature segment number, segment duration, remaining time, output power percentage, voltage, current, etc.
Temperature Curve Programming	Intelligent temperature controller with standard PID, AI-regulated APID/MPT modes, self-tuning, and self-learning capabilities. Features 30-segment program control with arbitrary ramp rates, programmable commands for cycle/jump/run/pause/stop, and real-time program modification during operation. Smooth curve control via AI-based curve fitting algorithm.
Multiple Curve Storage	Up to 50 programmable temperature profiles.
PLC System	Siemens S7-200
Touchscreen Interface	7-inch color touchscreen with read/write/storage functions for temperature, gas flow, vacuum level, rotation speed, voltage, current, etc.
Standard Accessories	Two thermal insulation plugs, one pair of crucible tongs, and one pair of high-temperature gloves.

Additional Equipment

Lift door：Pneumatic door opening, controlled by foot pedal, with hot surface facing away from the operator.
Touchscreen: Multilingual menu, multiple temperature rise process curve storage, historical curve storage, and data reports (7 inches).
Computer Control: Controls furnace start, pause, stop, stores historical curves, sets temperature rise curves, reads temperature rise curves, sets parameters, etc.
Siemens PLC Control: Real-time data reading with open ports for data communication with upstream and downstream equipment.
Manual or automatic gas supply system
Observation Window: Designed on the furnace door with high-temperature-resistant quartz glass.
Movable Casters: Two swivel casters and two fixed casters.
Rapid Cooling: Achieved with a frequency inverter and centrifugal fan for programmable cooling control.
Quick Discharge Rack: The material rack is made of high-temperature steel, with wear-resistant heavy-duty refractory bricks on the top, enabling rapid
transfer of materials from the furnace to an external platform in high-temperature environments.
Multi-Point Temperature Control: Independent temperature control on multiple sides for improved temperature uniformity.
High temperature furnace chamber with multi-sided heating for very good temperature uniformity.
Stirring Fan: Metal stirring fan, can be linked with PLC to automatically start at designated temperature segments.
Independent Control Cabinet: Separate control cabinet with an extended control cable length (up to 5 meters).
Heat Storage Furnace Bottom: The furnace bottom sinks 50mm with a hollow design, supported by multiple vertical columns, increasing Ceramic Load-Bearing Plate and ensuring uniform heat distribution at the bottom.
Exhaust Gas Treatment: Adds VOC exhaust gas treatment furnace with a capacity of 40m³,H or 80m³,H.
Corrosion-Resistant Furnace Lining: Furnace lining material resistant to acids, alkalis, and hydrofluoric acid corrosion.
Heating Element Protection: Prevents contamination from powder and corrosion from volatile substances and scratch.
Clean Furnace Lining: Furnace lining made of ceramics, high-temperature glass, and high-temperature metals to prevent dust and volatile substances.
Over-temperature limiter with adjustable cutout temperature as temperature limiter to protect the furnace and load
Customizable charging racks according to requirements, for loading the furnace in two levels.

Vacuum-Atmosphere Rotary Electric Furnace

Vacuum-Atmosphere Rotary Electric Furnace

Product Video

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